Fixed issue #35

[author-sanjay]

Description

This pull request resolves an issue with the setMockMethodCallHandler method call on a MethodChannel object in the shared_preferences package. The error message suggests that the setMockMethodCallHandler method is not defined for the MethodChannel class.

Changes Made

To resolve this issue, I updated the shared_preferences package to version 2.0.6, which includes support for the setMockMethodCallHandler method. I also made sure that the MethodChannel class is being imported from the correct location, 'package:flutter/services.dart', and that there are no conflicting dependencies in the app.

Testing

I tested the changes by running the app on both iOS and Android devices and verifying that the setMockMethodCallHandler method is working as expected. I also wrote unit tests using the flutter_test package to ensure that the behavior of the app is consistent across different platforms and environments.

Checklist

Updated shared_preferences package to version 2.0.6 (done) Verified that MethodChannel class is being imported from 'package:flutter/services.dart (done)' Tested changes on iOS and Android devices (done) Added relevant documentation and comments (done) Reviewed and addressed any code review feedback (done)